Motor fuel



Patented June '24. 1950 UNITED STATES,

PATENT OFFICE MARTIiI MfiLLER-b NRADI; or L'UDWIGSHAFEN-ON-THE-RHINE,AND WILHELM WILKE, OF MAN NHEIM, GERMANY, ASSIGNORS TO I.

G. IARIBENINDUS'IRIE AKTIEN- eEsELLsonAFT. or rmnxnoRT-on-rHn-MAIN,GERMANY,

Moron FUEL No Drawing. -..App1ication filed' October 21, 1924, SerialNo. 745,027,

m ple iron acetylacetonate may also be used.

With such fuels the most. undesirable knockand'in Germany January 14,1924.

liquid in combination with iron nate. J

3. A motor fuel comprising a combustible liquid in combinationwithbetween about and l per cent of iron acetyl ,a'cetonate. Intestimony whereof we have hereunto set 'Our hands.

MARTIN MULLER-CUNRADI.

WILHELM WILKE.

acetyl acetoing is avoided even at high pressures and the process ofcombustion is favourably influenced ,so as to result in a higherefliciency. Liquid fuels of mostvarious kinds for .example gasoline, orhigher or lower fractions of naphtha, or benzene or alcohols, ormixtures of gasoline with benzene oraalcohols or other liquid fuels maybe employed in'combitity of soluble irori compound best suited variesaccording to the particular liquid, fuel end the special conditionsunder which it is used. Amounts of between one tenth of one percent anda few per cents, by volume, may be employed, or even lower or higherpereentages.

As an example, an automobile fitted with a nation with said ironcompounds. The quansix-cylinder motor having a compression ratio of l to5,8 and operated with ordinary gasoline (containing petrol hydrocarbonsof low and higher boiling point) of 0,72 spe 'cific gravity showed heavyknocking espeduced rotation of the motor,

hill.

cially when running withfull load and refor example up I Such knockingwas completely elimi-- nated when gasoline was used containing 'abouttengrams of iron 40 each gallon.

. What we claim is:

1. As a composition of matter, gasoline zontaining between about a tenthand one percent of, iron acetyl acetonate.

l6 2. A motor fuel comprising a combustible acetyl -acetonate for

